Invention Grant
- Patent Title: Configuration and method to generate saddle junction electric field in edge termination
- Patent Title (中): 在边缘终端中产生鞍形电场的配置和方法
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Application No.: US13065824Application Date: 2011-03-29
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Publication No.: US08829640B2Publication Date: 2014-09-09
- Inventor: Madhur Bobde , Lingpeng Guan , Anup Bhalla , Hamza Yilmaz
- Applicant: Madhur Bobde , Lingpeng Guan , Anup Bhalla , Hamza Yilmaz
- Applicant Address: US CA Sunnyvale
- Assignee: Alpha and Omega Semiconductor Incorporated
- Current Assignee: Alpha and Omega Semiconductor Incorporated
- Current Assignee Address: US CA Sunnyvale
- Agent Bo-In Lin
- Main IPC: H01L29/02
- IPC: H01L29/02 ; H01L29/06
Abstract:
This invention discloses a semiconductor power device disposed in a semiconductor substrate and having an active cell area and an edge termination area the edge termination area wherein the edge termination area comprises a superjunction structure having doped semiconductor columns of alternating conductivity types with a charge imbalance between the doped semiconductor columns to generate a saddle junction electric field in the edge termination.
Public/Granted literature
- US20120248566A1 Configuration and method to generate saddle junction electric field in edge termination Public/Granted day:2012-10-04
Information query
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